Heron's Formula

Area of triangle = √[s(s

Area of triangle = √[s(s-a)(s-b)(s-c)], where a, b, c are the sides of the triangle and s is the semi-perimeter

s = (a+b+c)/2

s = (a+b+c)/2, which is half the perimeter of the triangle

The formula works for all types

The formula works for all types of triangles: scalene (all sides different), isosceles (two sides equal), and equilateral (all sides equal)

For right triangles

For right triangles, results can be verified using Pythagoras theorem (a² + b² = c²) and the traditional area formula (½ × base × height)